Features:
- On board speaker
- MEMs Microphone with LED indicator
- Touch sensitive logo
- Built-in sleep/off mode that means the board can be powered-down with batteries connected
- Discrete regulator that can supply up to 200mA of current to external accessories
Refinements:
- Notched edge connector. To make it easier to connect things like crocodile clips and conductive thread
- Power LED indicator. In addition to the USB activity indicator, a power LED shows whether the micro:bit is powered on or off
- Exposed, gold-plated antenna. To easily identify the radio/Bluetooth component
Hardware Specs:
- Target MCU, Nordic Semiconductor nRF52833 (64MHz Cortex-M4F, 512kB Flash, 128kB RAM)
- Interface MCU: NXP KL27Z, 256kB Flash (128kB reserved for future enhancement), 32kB RAM
- Motion sensor: ST LSM303
- MEMS microphone: Knowles SPU0410LR5H-QB-7 MEMS
- Power consumption 300mA (with 100mA for the board itself and up to 200mA for accessories)
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